Battery charging device



FIG. 1 is a top perspective view of a battery charging device.

FIG. 2 is a top view thereof.

FIG. 3 is a bottom view thereof.

FIG. 4 is a right-side view thereof.

FIG. 5 is a left-side view thereof.

FIG. 6 is a front view thereof.

FIG. 7 is a rear view thereof; and,

FIG. 8 is a top perspective view thereof, shown in an environment of use.

The broken lines shown in the figures depict portions of the battery charging device and environmental structure that form no part of the claimed design. 

CLAIM The ornamental design for a battery charging device, as shown and described. 